I believe it was due to irritation at the church for not allowing more independent thoughts, i hope it helps
(1)Hitler: The Rise of Evil (2) Good (3) Elser (4)The Pianists (5) City of Life and Death (6) John Rabe (7)The Children of Huang Shi
There were a lot of raids in Africa which led Africans to sell those captured to the Europeans for slavery.
Hope this helped hon :)
